X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Fobd_support.h;h=e6d6741e19c839f6e3bb470da306ce64a394f918;hp=254a7de0f71af56196bcd65f4a3b322802c7ac50;hb=c2d27a0f12688c0d029880919f8b002e557b540c;hpb=13079de3417ce41ce485b2bdad36834e2f6e6e15 diff --git a/lustre/include/obd_support.h b/lustre/include/obd_support.h index 254a7de..e6d6741 100644 --- a/lustre/include/obd_support.h +++ b/lustre/include/obd_support.h @@ -27,7 +27,7 @@ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2013, Intel Corporation. + * Copyright (c) 2011, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -37,25 +37,23 @@ #ifndef _OBD_SUPPORT #define _OBD_SUPPORT +#ifndef __KERNEL__ +# error Userspace should not include obd_support.h. +#endif /* !__KERNEL__ */ + +#include +#include +#include +#include + #include -#include #include - -#if defined(__linux__) -#include -#elif defined(__APPLE__) -#include -#elif defined(__WINNT__) -#include -#else -#error Unsupported operating system. -#endif +#include /* global variables */ extern struct lprocfs_stats *obd_memory; enum { OBD_MEMORY_STAT = 0, - OBD_MEMORY_PAGES_STAT = 1, OBD_STATS_NUM, }; @@ -68,23 +66,17 @@ extern unsigned int obd_timeout; /* seconds */ extern unsigned int ldlm_timeout; /* seconds */ extern unsigned int obd_timeout_set; extern unsigned int ldlm_timeout_set; +extern unsigned int bulk_timeout; extern unsigned int at_min; extern unsigned int at_max; extern unsigned int at_history; extern int at_early_margin; extern int at_extra; -extern unsigned int obd_sync_filter; -extern unsigned int obd_max_dirty_pages; -extern cfs_atomic_t obd_unstable_pages; -extern cfs_atomic_t obd_dirty_pages; -extern cfs_atomic_t obd_dirty_transit_pages; -extern unsigned int obd_alloc_fail_rate; +extern unsigned long obd_max_dirty_pages; +extern atomic_long_t obd_dirty_pages; +extern atomic_long_t obd_dirty_transit_pages; extern char obd_jobid_var[]; -/* lvfs.c */ -int obd_alloc_fail(const void *ptr, const char *name, const char *type, - size_t size, const char *file, int line); - /* Some hash init argument constants */ #define HASH_POOLS_BKT_BITS 3 #define HASH_POOLS_CUR_BITS 3 @@ -98,6 +90,9 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define HASH_NID_STATS_BKT_BITS 5 #define HASH_NID_STATS_CUR_BITS 7 #define HASH_NID_STATS_MAX_BITS 12 +#define HASH_GEN_BKT_BITS 5 +#define HASH_GEN_CUR_BITS 7 +#define HASH_GEN_MAX_BITS 12 #define HASH_LQE_BKT_BITS 5 #define HASH_LQE_CUR_BITS 7 #define HASH_LQE_MAX_BITS 12 @@ -199,14 +194,14 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123 #define OBD_FAIL_MDS_SYNC_NET 0x124 #define OBD_FAIL_MDS_SYNC_PACK 0x125 -#define OBD_FAIL_MDS_DONE_WRITING_NET 0x126 -#define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 +/* OBD_FAIL_MDS_DONE_WRITING_NET 0x126 obsolete since 2.8.0 */ +/* OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 obsolete since 2.8.0 */ #define OBD_FAIL_MDS_ALLOC_OBDO 0x128 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a #define OBD_FAIL_MDS_OPEN_CREATE 0x12b #define OBD_FAIL_MDS_OST_SETATTR 0x12c -#define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d +/* OBD_FAIL_MDS_QUOTACHECK_NET 0x12d obsolete since 2.4 */ #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e #define OBD_FAIL_MDS_CLIENT_ADD 0x12f #define OBD_FAIL_MDS_GETXATTR_NET 0x130 @@ -243,6 +238,15 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151 +#define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152 +#define OBD_FAIL_MDS_RENAME 0x153 +#define OBD_FAIL_MDS_RENAME2 0x154 +#define OBD_FAIL_MDS_RENAME3 0x155 +#define OBD_FAIL_MDS_RENAME4 0x156 +#define OBD_FAIL_MDS_LDLM_REPLY_NET 0x157 +#define OBD_FAIL_MDS_STALE_DIR_LAYOUT 0x158 +#define OBD_FAIL_MDS_REINT_MULTI_NET 0x159 +#define OBD_FAIL_MDS_REINT_MULTI_NET_REP 0x15a /* layout lock */ #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170 @@ -267,6 +271,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY 0x196 +#define OBD_FAIL_OSD_OST_EA_FID_SET 0x197 #define OBD_FAIL_OST 0x200 #define OBD_FAIL_OST_CONNECT_NET 0x201 @@ -292,7 +297,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_OST_ENOSPC 0x215 #define OBD_FAIL_OST_EROFS 0x216 #define OBD_FAIL_OST_ENOENT 0x217 -#define OBD_FAIL_OST_QUOTACHECK_NET 0x218 +/* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */ #define OBD_FAIL_OST_QUOTACTL_NET 0x219 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b @@ -313,6 +318,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_OST_DQACQ_NET 0x230 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231 #define OBD_FAIL_OST_SET_INFO_NET 0x232 +#define OBD_FAIL_OST_NODESTROY 0x233 #define OBD_FAIL_LDLM 0x300 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301 @@ -344,6 +350,17 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b #define OBD_FAIL_LDLM_OST_LVB 0x31c #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d +#define OBD_FAIL_LDLM_BL_EVICT 0x31e +#define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f +#define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320 +#define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321 +#define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322 +#define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323 +#define OBD_FAIL_LDLM_SRV_BL_AST 0x324 +#define OBD_FAIL_LDLM_SRV_CP_AST 0x325 +#define OBD_FAIL_LDLM_SRV_GL_AST 0x326 +#define OBD_FAIL_LDLM_WATERMARK_LOW 0x327 +#define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328 /* LOCKLESS IO */ #define OBD_FAIL_LDLM_SET_CONTENTION 0x385 @@ -390,11 +407,12 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517 +#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520 #define OBD_FAIL_OBD_PING_NET 0x600 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601 #define OBD_FAIL_OBD_LOGD_NET 0x602 -#define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 +/* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */ #define OBD_FAIL_OBD_DQACQ 0x604 #define OBD_FAIL_OBD_LLOG_SETUP 0x605 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606 @@ -412,9 +430,12 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_TGT_REPLAY_DROP 0x707 #define OBD_FAIL_TGT_FAKE_EXP 0x708 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709 -#define OBD_FAIL_TGT_LAST_REPLAY 0x710 +/* #define OBD_FAIL_TGT_LAST_REPLAY 0x710 (obsoleted) */ #define OBD_FAIL_TGT_CLIENT_ADD 0x711 #define OBD_FAIL_TGT_RCVG_FLAG 0x712 +#define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713 +#define OBD_FAIL_TGT_REPLAY_DELAY2 0x714 +#define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801 @@ -436,6 +457,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c +#define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01 #define OBD_FAIL_QUOTA_EDQUOT 0xA02 @@ -444,8 +466,6 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_LPROC_REMOVE 0xB00 -#define OBD_FAIL_GENERAL_ALLOC 0xC00 - #define OBD_FAIL_SEQ 0x1000 #define OBD_FAIL_SEQ_QUERY_NET 0x1001 #define OBD_FAIL_SEQ_EXHAUST 0x1002 @@ -479,6 +499,8 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_LOV_INIT 0x1403 #define OBD_FAIL_GLIMPSE_DELAY 0x1404 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405 +#define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406 +#define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407 #define OBD_FAIL_FID_INDIR 0x1501 #define OBD_FAIL_FID_INLMA 0x1502 @@ -498,11 +520,82 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_LFSCK_CRASH 0x160a #define OBD_FAIL_LFSCK_NO_AUTO 0x160b #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c +#define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d +#define OBD_FAIL_LFSCK_DELAY4 0x160e +#define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f +#define OBD_FAIL_LFSCK_DANGLING 0x1610 +#define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611 +#define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612 +#define OBD_FAIL_LFSCK_BAD_OWNER 0x1613 +#define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614 +#define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615 +#define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616 +#define OBD_FAIL_LFSCK_NOPFID 0x1617 +#define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618 +#define OBD_FAIL_LFSCK_INVALID_PFID 0x1619 +#define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a +#define OBD_FAIL_LFSCK_DELAY5 0x161b +#define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c +#define OBD_FAIL_LFSCK_NO_LINKEA 0x161d +#define OBD_FAIL_LFSCK_BAD_PARENT 0x161e +#define OBD_FAIL_LFSCK_DANGLING2 0x1620 +#define OBD_FAIL_LFSCK_DANGLING3 0x1621 +#define OBD_FAIL_LFSCK_MUL_REF 0x1622 +#define OBD_FAIL_LFSCK_BAD_TYPE 0x1623 +#define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624 +#define OBD_FAIL_LFSCK_MORE_NLINK 0x1625 +#define OBD_FAIL_LFSCK_LESS_NLINK 0x1626 +#define OBD_FAIL_LFSCK_LINKEA_OVERFLOW 0x1627 +#define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628 +#define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629 +#define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a +#define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b +#define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c + +#define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0 +#define OBD_FAIL_LFSCK_QUERY_NET 0x16f1 /* UPDATE */ -#define OBD_FAIL_UPDATE_OBJ_NET 0x1700 -#define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701 - +#define OBD_FAIL_OUT_UPDATE_NET 0x1700 +#define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701 +#define OBD_FAIL_SPLIT_UPDATE_REC 0x1702 +#define OBD_FAIL_LARGE_STRIPE 0x1703 + +/* MIGRATE */ +#define OBD_FAIL_MIGRATE_NET_REP 0x1800 +#define OBD_FAIL_MIGRATE_ENTRIES 0x1801 +#define OBD_FAIL_MIGRATE_LINKEA 0x1802 +#define OBD_FAIL_MIGRATE_DELAY 0x1803 + +/* LMV */ +#define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901 + +/* DT */ +#define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000 +#define OBD_FAIL_DT_ATTR_GET 0x2001 +#define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002 +#define OBD_FAIL_DT_ATTR_SET 0x2003 +#define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004 +#define OBD_FAIL_DT_XATTR_GET 0x2005 +#define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006 +#define OBD_FAIL_DT_XATTR_SET 0x2007 +#define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008 +#define OBD_FAIL_DT_XATTR_DEL 0x2009 +#define OBD_FAIL_DT_XATTR_LIST 0x200a +#define OBD_FAIL_DT_DECLARE_CREATE 0x200b +#define OBD_FAIL_DT_CREATE 0x200c +#define OBD_FAIL_DT_DECLARE_DESTROY 0x200d +#define OBD_FAIL_DT_DESTROY 0x200e +#define OBD_FAIL_DT_INDEX_TRY 0x200f +#define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010 +#define OBD_FAIL_DT_REF_ADD 0x2011 +#define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012 +#define OBD_FAIL_DT_REF_DEL 0x2013 +#define OBD_FAIL_DT_DECLARE_INSERT 0x2014 +#define OBD_FAIL_DT_INSERT 0x2015 +#define OBD_FAIL_DT_DECLARE_DELETE 0x2016 +#define OBD_FAIL_DT_DELETE 0x2017 +#define OBD_FAIL_DT_LOOKUP 0x2018 /* Assign references to moved code to reduce code changes */ #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id) @@ -518,9 +611,14 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_ONCE CFS_FAIL_ONCE #define OBD_FAILED CFS_FAILED -extern cfs_atomic_t libcfs_kmemory; +#define LUT_FAIL_CLASS(fail_id) (((fail_id) >> 8) << 16) +#define LUT_FAIL_MGT LUT_FAIL_CLASS(OBD_FAIL_MGS) +#define LUT_FAIL_MDT LUT_FAIL_CLASS(OBD_FAIL_MDS) +#define LUT_FAIL_OST LUT_FAIL_CLASS(OBD_FAIL_OST) -#ifdef LPROCFS +extern atomic_t libcfs_kmemory; + +#ifdef CONFIG_PROC_FS #define obd_memory_add(size) \ lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size)) #define obd_memory_sub(size) \ @@ -528,27 +626,15 @@ extern cfs_atomic_t libcfs_kmemory; #define obd_memory_sum() \ lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \ LPROCFS_FIELDS_FLAGS_SUM) -#define obd_pages_add(order) \ - lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \ - (long)(1 << (order))) -#define obd_pages_sub(order) \ - lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \ - (long)(1 << (order))) -#define obd_pages_sum() \ - lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \ - LPROCFS_FIELDS_FLAGS_SUM) extern void obd_update_maxusage(void); extern __u64 obd_memory_max(void); -extern __u64 obd_pages_max(void); -#else +#else /* CONFIG_PROC_FS */ extern __u64 obd_alloc; -extern __u64 obd_pages; extern __u64 obd_max_alloc; -extern __u64 obd_max_pages; static inline void obd_memory_add(long size) { @@ -562,25 +648,11 @@ static inline void obd_memory_sub(long size) obd_alloc -= size; } -static inline void obd_pages_add(int order) -{ - obd_pages += 1<< order; - if (obd_pages > obd_max_pages) - obd_max_pages = obd_pages; -} - -static inline void obd_pages_sub(int order) -{ - obd_pages -= 1<< order; -} - #define obd_memory_sum() (obd_alloc) -#define obd_pages_sum() (obd_pages) #define obd_memory_max() (obd_max_alloc) -#define obd_pages_max() (obd_max_pages) -#endif +#endif /* !CONFIG_PROC_FS */ #define OBD_DEBUG_MEMUSAGE (1) @@ -604,59 +676,20 @@ static inline void obd_pages_sub(int order) #endif /* !OBD_DEBUG_MEMUSAGE */ -#ifdef RANDOM_FAIL_ALLOC -#define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC) -#else -#define HAS_FAIL_ALLOC_FLAG 0 -#endif - -#define OBD_ALLOC_FAIL_BITS 24 -#define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1) -#define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100) - -#if defined(LUSTRE_UTILS) /* this version is for utils only */ #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ do { \ (ptr) = (cptab) == NULL ? \ kmalloc(size, flags | __GFP_ZERO) : \ cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \ - if (unlikely((ptr) == NULL)) { \ - CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ - (int)(size), __FILE__, __LINE__); \ - } else { \ - CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \ - (int)(size), ptr); \ - } \ + if (likely((ptr) != NULL)) \ + OBD_ALLOC_POST(ptr, size, "kmalloced"); \ } while (0) -#else /* this version is for the kernel and liblustre */ -#define OBD_FREE_RTN0(ptr) \ -({ \ - kfree(ptr); \ - (ptr) = NULL; \ - 0; \ -}) - -#define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ -do { \ - (ptr) = (cptab) == NULL ? \ - kmalloc(size, flags | __GFP_ZERO) : \ - cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \ - if (likely((ptr) != NULL && \ - (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ - !obd_alloc_fail(ptr, #ptr, "km", size, \ - __FILE__, __LINE__) || \ - OBD_FREE_RTN0(ptr)))){ \ - OBD_ALLOC_POST(ptr, size, "kmalloced"); \ - } \ -} while (0) -#endif - #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \ __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask) -#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, __GFP_IO) -#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_IOFS) +#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS) +#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL) #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr)) #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr)) @@ -664,77 +697,51 @@ do { \ __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask) #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \ - OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, __GFP_IO) + OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS) #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \ OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr)) -# define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \ +/* Direct use of __vmalloc() allows for protection flag specification + * (and particularly to not set __GFP_FS, which is likely to cause some + * deadlock situations in our code). + */ +#define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \ do { \ (ptr) = cptab == NULL ? \ - vmalloc(size) : \ - cfs_cpt_vmalloc(cptab, cpt, size); \ - if (unlikely((ptr) == NULL)) { \ - CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \ - (int)(size)); \ - CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \ - obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \ - } else { \ - memset(ptr, 0, size); \ - OBD_ALLOC_POST(ptr, size, "vmalloced"); \ - } \ + __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \ + PAGE_KERNEL) : \ + cfs_cpt_vzalloc(cptab, cpt, size); \ + if (unlikely((ptr) == NULL)) { \ + CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \ + (int)(size)); \ + CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \ + obd_memory_sum(), atomic_read(&libcfs_kmemory)); \ + } else { \ + OBD_ALLOC_POST(ptr, size, "vmalloced"); \ + } \ } while(0) -# define OBD_VMALLOC(ptr, size) \ - __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size) -# define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \ - __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) - -#ifdef __KERNEL__ - -/* Allocations above this size are considered too big and could not be done - * atomically. - * - * Be very careful when changing this value, especially when decreasing it, - * since vmalloc in Linux doesn't perform well on multi-cores system, calling - * vmalloc in critical path would hurt peformance badly. See LU-66. - */ -#define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE) +#define OBD_VMALLOC(ptr, size) \ + __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size) +#define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \ + __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) #define OBD_ALLOC_LARGE(ptr, size) \ do { \ - if (size > OBD_ALLOC_BIG) \ + OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \ + if (ptr == NULL) \ OBD_VMALLOC(ptr, size); \ - else \ - OBD_ALLOC(ptr, size); \ } while (0) #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ do { \ - if (size > OBD_ALLOC_BIG) \ + OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN); \ + if (ptr == NULL) \ OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \ - else \ - OBD_CPT_ALLOC(ptr, cptab, cpt, size); \ } while (0) -#define OBD_FREE_LARGE(ptr, size) \ -do { \ - if (size > OBD_ALLOC_BIG) \ - OBD_VFREE(ptr, size); \ - else \ - OBD_FREE(ptr, size); \ -} while (0) - -#else /* !__KERNEL__ */ - -#define OBD_ALLOC_LARGE(ptr, size) \ - OBD_ALLOC(ptr, size) -#define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ - OBD_ALLOC(ptr, size) -#define OBD_FREE_LARGE(ptr, size) \ - OBD_FREE(ptr, size) - -#endif /* __KERNEL__ */ +#define OBD_FREE_LARGE(ptr, size) OBD_FREE(ptr, size) #ifdef CONFIG_DEBUG_SLAB #define POISON(ptr, c, s) do {} while (0) @@ -751,15 +758,18 @@ do { \ #define POISON_PAGE(page, val) do { } while (0) #endif -#ifdef __KERNEL__ #define OBD_FREE(ptr, size) \ do { \ - OBD_FREE_PRE(ptr, size, "kfreed"); \ - kfree(ptr); \ - POISON_PTR(ptr); \ + if (is_vmalloc_addr(ptr)) { \ + OBD_FREE_PRE(ptr, size, "vfreed"); \ + vfree(ptr); \ + } else { \ + OBD_FREE_PRE(ptr, size, "kfreed"); \ + kfree(ptr); \ + } \ + POISON_PTR(ptr); \ } while(0) - #define OBD_FREE_RCU(ptr, size, handle) \ do { \ struct portals_handle *__h = (handle); \ @@ -771,18 +781,6 @@ do { \ POISON_PTR(ptr); \ } while(0) -#else -#define OBD_FREE(ptr, size) ((void)(size), free((ptr))) -#define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size)) -#endif /* ifdef __KERNEL__ */ - -#define OBD_VFREE(ptr, size) \ - do { \ - OBD_FREE_PRE(ptr, size, "vfreed"); \ - vfree(ptr); \ - POISON_PTR(ptr); \ - } while (0) - /* we memset() the slab object to 0 when allocation succeeds, so DO NOT * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */ @@ -799,13 +797,8 @@ do { \ (ptr) = (cptab) == NULL ? \ kmem_cache_alloc(slab, type | __GFP_ZERO) : \ cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type | __GFP_ZERO); \ - if (likely((ptr) != NULL && \ - (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ - !obd_alloc_fail(ptr, #ptr, "slab-", size, \ - __FILE__, __LINE__) || \ - OBD_SLAB_FREE_RTN0(ptr, slab)))) { \ - OBD_ALLOC_POST(ptr, size, "slab-alloced"); \ - } \ + if (likely((ptr))) \ + OBD_ALLOC_POST(ptr, size, "slab-alloced"); \ } while(0) #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \ @@ -823,10 +816,10 @@ do { \ } while(0) #define OBD_SLAB_ALLOC(ptr, slab, size) \ - OBD_SLAB_ALLOC_GFP(ptr, slab, size, __GFP_IO) + OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS) #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \ - OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, __GFP_IO) + OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS) #define OBD_SLAB_ALLOC_PTR(ptr, slab) \ OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr)) @@ -846,47 +839,4 @@ do { \ #define KEY_IS(str) \ (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0) -/* Wrapper for contiguous page frame allocation */ -#define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \ -do { \ - (ptr) = (cptab) == NULL ? \ - alloc_page(gfp_mask) : \ - cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \ - if (unlikely((ptr) == NULL)) { \ - CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\ - "failed\n", (int)1, \ - (__u64)(1 << PAGE_CACHE_SHIFT)); \ - CERROR(LPU64" total bytes and "LPU64" total pages " \ - "("LPU64" bytes) allocated by Lustre, " \ - "%d total bytes by LNET\n", \ - obd_memory_sum(), \ - obd_pages_sum() << PAGE_CACHE_SHIFT, \ - obd_pages_sum(), \ - cfs_atomic_read(&libcfs_kmemory)); \ - } else { \ - obd_pages_add(0); \ - CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \ - LPU64" bytes at %p.\n", \ - (int)1, \ - (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \ - } \ -} while (0) - -#define OBD_PAGE_ALLOC(ptr, gfp_mask) \ - __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask) -#define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \ - __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) - -#define OBD_PAGE_FREE(ptr) \ -do { \ - LASSERT(ptr); \ - obd_pages_sub(0); \ - CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \ - "at %p.\n", \ - (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \ - ptr); \ - __free_page(ptr); \ - (ptr) = (void *)0xdeadbeef; \ -} while (0) - #endif